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feat(tvix/store): make blobstore stream chunks

Browse source 
This changes the RPC methods to return/consume a stream of chunks, instead of a
very big message containing the whole blob, to keep message sizes in manageable
sizes (less than 4MiB).

Change-Id: I2a3a50f07b059d8a2f5196860254adff98c8a352
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7651
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
This commit is contained in:
Florian Klink 2022-12-27 18:32:07 +01:00 committed by flokli
parent f879993cc4
commit 1c15154b83
3 changed files with 200 additions and 201 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

219
tvix/store/protos/rpc_blobstore.pb.go
View file

@ -71,100 +71,6 @@ func (x *GetBlobRequest) GetDigest() []byte {
return nil
}
type GetBlobResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Data []byte `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *GetBlobResponse) Reset() {
*x = GetBlobResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetBlobResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetBlobResponse) ProtoMessage() {}
func (x *GetBlobResponse) ProtoReflect() protoreflect.Message {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetBlobResponse.ProtoReflect.Descriptor instead.
func (*GetBlobResponse) Descriptor() ([]byte, []int) {
return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{1}
}
func (x *GetBlobResponse) GetData() []byte {
if x != nil {
return x.Data
}
return nil
}
type PutBlobRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Data []byte `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *PutBlobRequest) Reset() {
*x = PutBlobRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *PutBlobRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*PutBlobRequest) ProtoMessage() {}
func (x *PutBlobRequest) ProtoReflect() protoreflect.Message {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use PutBlobRequest.ProtoReflect.Descriptor instead.
func (*PutBlobRequest) Descriptor() ([]byte, []int) {
return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{2}
}
func (x *PutBlobRequest) GetData() []byte {
if x != nil {
return x.Data
}
return nil
}
type PutBlobResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -177,7 +83,7 @@ type PutBlobResponse struct {
func (x *PutBlobResponse) Reset() {
*x = PutBlobResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[3]
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -190,7 +96,7 @@ func (x *PutBlobResponse) String() string {
func (*PutBlobResponse) ProtoMessage() {}
func (x *PutBlobResponse) ProtoReflect() protoreflect.Message {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[3]
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -203,7 +109,7 @@ func (x *PutBlobResponse) ProtoReflect() protoreflect.Message {
// Deprecated: Use PutBlobResponse.ProtoReflect.Descriptor instead.
func (*PutBlobResponse) Descriptor() ([]byte, []int) {
return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{3}
return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{1}
}
func (x *PutBlobResponse) GetDigest() []byte {
@ -213,6 +119,55 @@ func (x *PutBlobResponse) GetDigest() []byte {
return nil
}
// This represents a part of a chunk.
// Blobs are sent in smaller chunks to keep message sizes manageable.
type BlobChunk struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Data []byte `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *BlobChunk) Reset() {
*x = BlobChunk{}
if protoimpl.UnsafeEnabled {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *BlobChunk) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*BlobChunk) ProtoMessage() {}
func (x *BlobChunk) ProtoReflect() protoreflect.Message {
mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use BlobChunk.ProtoReflect.Descriptor instead.
func (*BlobChunk) Descriptor() ([]byte, []int) {
return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{2}
}
func (x *BlobChunk) GetData() []byte {
if x != nil {
return x.Data
}
return nil
}
var File_tvix_store_protos_rpc_blobstore_proto protoreflect.FileDescriptor
var file_tvix_store_protos_rpc_blobstore_proto_rawDesc = []byte{
@ -222,27 +177,24 @@ var file_tvix_store_protos_rpc_blobstore_proto_rawDesc = []byte{
0x6f, 0x72, 0x65, 0x2e, 0x76, 0x31, 0x22, 0x28, 0x0a, 0x0e, 0x47, 0x65, 0x74, 0x42, 0x6c, 0x6f,
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0x74, 0x6f, 0x33,
}
var (
@ -257,18 +209,17 @@ func file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP() []byte {
return file_tvix_store_protos_rpc_blobstore_proto_rawDescData
}
var file_tvix_store_protos_rpc_blobstore_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_tvix_store_protos_rpc_blobstore_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_tvix_store_protos_rpc_blobstore_proto_goTypes = []interface{}{
(*GetBlobRequest)(nil), // 0: tvix.store.v1.GetBlobRequest
(*GetBlobResponse)(nil), // 1: tvix.store.v1.GetBlobResponse
(*PutBlobRequest)(nil), // 2: tvix.store.v1.PutBlobRequest
(*PutBlobResponse)(nil), // 3: tvix.store.v1.PutBlobResponse
(*PutBlobResponse)(nil), // 1: tvix.store.v1.PutBlobResponse
(*BlobChunk)(nil), // 2: tvix.store.v1.BlobChunk
}
var file_tvix_store_protos_rpc_blobstore_proto_depIdxs = []int32{
0, // 0: tvix.store.v1.BlobService.Get:input_type -> tvix.store.v1.GetBlobRequest
2, // 1: tvix.store.v1.BlobService.Put:input_type -> tvix.store.v1.PutBlobRequest
1, // 2: tvix.store.v1.BlobService.Get:output_type -> tvix.store.v1.GetBlobResponse
3, // 3: tvix.store.v1.BlobService.Put:output_type -> tvix.store.v1.PutBlobResponse
2, // 1: tvix.store.v1.BlobService.Put:input_type -> tvix.store.v1.BlobChunk
2, // 2: tvix.store.v1.BlobService.Get:output_type -> tvix.store.v1.BlobChunk
1, // 3: tvix.store.v1.BlobService.Put:output_type -> tvix.store.v1.PutBlobResponse
2, // [2:4] is the sub-list for method output_type
0, // [0:2] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
@ -295,7 +246,7 @@ func file_tvix_store_protos_rpc_blobstore_proto_init() {
}
}
file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetBlobResponse); i {
switch v := v.(*PutBlobResponse); i {
case 0:
return &v.state
case 1:
@ -307,19 +258,7 @@ func file_tvix_store_protos_rpc_blobstore_proto_init() {
}
}
file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PutBlobRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_tvix_store_protos_rpc_blobstore_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PutBlobResponse); i {
switch v := v.(*BlobChunk); i {
case 0:
return &v.state
case 1:
@ -337,7 +276,7 @@ func file_tvix_store_protos_rpc_blobstore_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_tvix_store_protos_rpc_blobstore_proto_rawDesc,
NumEnums: 0,
NumMessages: 4,
NumMessages: 3,
NumExtensions: 0,
NumServices: 1,
},

19
tvix/store/protos/rpc_blobstore.proto
View file

@ -7,8 +7,9 @@ package tvix.store.v1;
option go_package = "code.tvl.fyi/tvix/store/protos;storev1";
service BlobService {
rpc Get(GetBlobRequest) returns (GetBlobResponse);
rpc Put(PutBlobRequest) returns (PutBlobResponse);
rpc Get(GetBlobRequest) returns (stream BlobChunk);
rpc Put(stream BlobChunk) returns (PutBlobResponse);
// TODO(flokli): We can get fancy here, and add methods to retrieve
// [Bao](https://github.com/oconnor663/bao/blob/master/docs/spec.md), and
@ -20,15 +21,13 @@ message GetBlobRequest {
bytes digest = 1;
}
message GetBlobResponse {
bytes data = 1;
}
message PutBlobRequest {
bytes data = 1;
}
message PutBlobResponse {
// The blake3 digest of the data that was sent.
bytes digest = 1;
}
// This represents a part of a chunk.
// Blobs are sent in smaller chunks to keep message sizes manageable.
message BlobChunk {
bytes data = 1;
}

163
tvix/store/protos/rpc_blobstore_grpc.pb.go
View file

@ -22,8 +22,8 @@ const _ = grpc.SupportPackageIsVersion7
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type BlobServiceClient interface {
Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (*GetBlobResponse, error)
Put(ctx context.Context, in *PutBlobRequest, opts ...grpc.CallOption) (*PutBlobResponse, error)
Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (BlobService_GetClient, error)
Put(ctx context.Context, opts ...grpc.CallOption) (BlobService_PutClient, error)
}
type blobServiceClient struct {
@ -34,30 +34,78 @@ func NewBlobServiceClient(cc grpc.ClientConnInterface) BlobServiceClient {
return &blobServiceClient{cc}
}
func (c *blobServiceClient) Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (*GetBlobResponse, error) {
out := new(GetBlobResponse)
err := c.cc.Invoke(ctx, "/tvix.store.v1.BlobService/Get", in, out, opts...)
func (c *blobServiceClient) Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (BlobService_GetClient, error) {
stream, err := c.cc.NewStream(ctx, &BlobService_ServiceDesc.Streams[0], "/tvix.store.v1.BlobService/Get", opts...)
if err != nil {
return nil, err
}
return out, nil
x := &blobServiceGetClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
func (c *blobServiceClient) Put(ctx context.Context, in *PutBlobRequest, opts ...grpc.CallOption) (*PutBlobResponse, error) {
out := new(PutBlobResponse)
err := c.cc.Invoke(ctx, "/tvix.store.v1.BlobService/Put", in, out, opts...)
type BlobService_GetClient interface {
Recv() (*BlobChunk, error)
grpc.ClientStream
}
type blobServiceGetClient struct {
grpc.ClientStream
}
func (x *blobServiceGetClient) Recv() (*BlobChunk, error) {
m := new(BlobChunk)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *blobServiceClient) Put(ctx context.Context, opts ...grpc.CallOption) (BlobService_PutClient, error) {
stream, err := c.cc.NewStream(ctx, &BlobService_ServiceDesc.Streams[1], "/tvix.store.v1.BlobService/Put", opts...)
if err != nil {
return nil, err
}
return out, nil
x := &blobServicePutClient{stream}
return x, nil
}
type BlobService_PutClient interface {
Send(*BlobChunk) error
CloseAndRecv() (*PutBlobResponse, error)
grpc.ClientStream
}
type blobServicePutClient struct {
grpc.ClientStream
}
func (x *blobServicePutClient) Send(m *BlobChunk) error {
return x.ClientStream.SendMsg(m)
}
func (x *blobServicePutClient) CloseAndRecv() (*PutBlobResponse, error) {
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
m := new(PutBlobResponse)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
// BlobServiceServer is the server API for BlobService service.
// All implementations must embed UnimplementedBlobServiceServer
// for forward compatibility
type BlobServiceServer interface {
Get(context.Context, *GetBlobRequest) (*GetBlobResponse, error)
Put(context.Context, *PutBlobRequest) (*PutBlobResponse, error)
Get(*GetBlobRequest, BlobService_GetServer) error
Put(BlobService_PutServer) error
mustEmbedUnimplementedBlobServiceServer()
}
@ -65,11 +113,11 @@ type BlobServiceServer interface {
type UnimplementedBlobServiceServer struct {
}
func (UnimplementedBlobServiceServer) Get(context.Context, *GetBlobRequest) (*GetBlobResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method Get not implemented")
func (UnimplementedBlobServiceServer) Get(*GetBlobRequest, BlobService_GetServer) error {
return status.Errorf(codes.Unimplemented, "method Get not implemented")
}
func (UnimplementedBlobServiceServer) Put(context.Context, *PutBlobRequest) (*PutBlobResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method Put not implemented")
func (UnimplementedBlobServiceServer) Put(BlobService_PutServer) error {
return status.Errorf(codes.Unimplemented, "method Put not implemented")
}
func (UnimplementedBlobServiceServer) mustEmbedUnimplementedBlobServiceServer() {}
@ -84,40 +132,51 @@ func RegisterBlobServiceServer(s grpc.ServiceRegistrar, srv BlobServiceServer) {
s.RegisterService(&BlobService_ServiceDesc, srv)
}
func _BlobService_Get_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetBlobRequest)
if err := dec(in); err != nil {
return nil, err
func _BlobService_Get_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(GetBlobRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
if interceptor == nil {
return srv.(BlobServiceServer).Get(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/tvix.store.v1.BlobService/Get",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(BlobServiceServer).Get(ctx, req.(*GetBlobRequest))
}
return interceptor(ctx, in, info, handler)
return srv.(BlobServiceServer).Get(m, &blobServiceGetServer{stream})
}
func _BlobService_Put_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PutBlobRequest)
if err := dec(in); err != nil {
type BlobService_GetServer interface {
Send(*BlobChunk) error
grpc.ServerStream
}
type blobServiceGetServer struct {
grpc.ServerStream
}
func (x *blobServiceGetServer) Send(m *BlobChunk) error {
return x.ServerStream.SendMsg(m)
}
func _BlobService_Put_Handler(srv interface{}, stream grpc.ServerStream) error {
return srv.(BlobServiceServer).Put(&blobServicePutServer{stream})
}
type BlobService_PutServer interface {
SendAndClose(*PutBlobResponse) error
Recv() (*BlobChunk, error)
grpc.ServerStream
}
type blobServicePutServer struct {
grpc.ServerStream
}
func (x *blobServicePutServer) SendAndClose(m *PutBlobResponse) error {
return x.ServerStream.SendMsg(m)
}
func (x *blobServicePutServer) Recv() (*BlobChunk, error) {
m := new(BlobChunk)
if err := x.ServerStream.RecvMsg(m); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(BlobServiceServer).Put(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/tvix.store.v1.BlobService/Put",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(BlobServiceServer).Put(ctx, req.(*PutBlobRequest))
}
return interceptor(ctx, in, info, handler)
return m, nil
}
// BlobService_ServiceDesc is the grpc.ServiceDesc for BlobService service.
@ -126,16 +185,18 @@ func _BlobService_Put_Handler(srv interface{}, ctx context.Context, dec func(int
var BlobService_ServiceDesc = grpc.ServiceDesc{
ServiceName: "tvix.store.v1.BlobService",
HandlerType: (*BlobServiceServer)(nil),
Methods: []grpc.MethodDesc{
Methods: []grpc.MethodDesc{},
Streams: []grpc.StreamDesc{
{
MethodName: "Get",
Handler: _BlobService_Get_Handler,
StreamName: "Get",
Handler: _BlobService_Get_Handler,
ServerStreams: true,
},
{
MethodName: "Put",
Handler: _BlobService_Put_Handler,
StreamName: "Put",
Handler: _BlobService_Put_Handler,
ClientStreams: true,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "tvix/store/protos/rpc_blobstore.proto",
}